llvm/test/Transforms/Inline/AMDGPU/load-intrinsics.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes --check-globals all --version 5
; RUN: opt -mtriple=amdgcn --passes=inline --enable-noalias-to-md-conversion -S %s | FileCheck --check-prefix=OPT %s

; This test tests if the load intrinsic gets correct memory(argmem: read) attribute and
; the call instruction is assigned correct !alias.scope metadata post inlining

define void @caller(ptr addrspace(3) %addr_f, ptr addrspace(1) %use_f) {
; OPT-LABEL: define void @caller(
; OPT-SAME: ptr addrspace(3) [[ADDR_F:%.*]], ptr addrspace(1) [[USE_F:%.*]]) {
; OPT-NEXT:  [[ENTRY:.*:]]
; OPT-NEXT:    call void @llvm.experimental.noalias.scope.decl(metadata [[META0:![0-9]+]])
; OPT-NEXT:    call void @llvm.experimental.noalias.scope.decl(metadata [[META3:![0-9]+]])
; OPT-NEXT:    [[GEP_I:%.*]] = getelementptr i64, ptr addrspace(3) [[ADDR_F]], i32 4
; OPT-NEXT:    [[VAL_I:%.*]] = call <2 x i32> @llvm.amdgcn.ds.read.tr4.b64.v2i32(ptr addrspace(3) [[GEP_I]]), !alias.scope [[META0]], !noalias [[META3]]
; OPT-NEXT:    store <2 x i32> [[VAL_I]], ptr addrspace(1) [[USE_F]], align 8, !alias.scope [[META3]], !noalias [[META0]]
; OPT-NEXT:    ret void
;
entry:
  call void @callee(ptr addrspace(3) %addr_f, ptr addrspace(1) %use_f)
  ret void
}

define void @callee(ptr addrspace(3) noalias %addr, ptr addrspace(1) noalias %use) {
; OPT-LABEL: define void @callee(
; OPT-SAME: ptr addrspace(3) noalias [[ADDR:%.*]], ptr addrspace(1) noalias [[USE:%.*]]) {
; OPT-NEXT:  [[ENTRY:.*:]]
; OPT-NEXT:    [[GEP:%.*]] = getelementptr i64, ptr addrspace(3) [[ADDR]], i32 4
; OPT-NEXT:    [[VAL:%.*]] = call <2 x i32> @llvm.amdgcn.ds.read.tr4.b64.v2i32(ptr addrspace(3) [[GEP]])
; OPT-NEXT:    store <2 x i32> [[VAL]], ptr addrspace(1) [[USE]], align 8
; OPT-NEXT:    ret void
;
entry:
  %gep = getelementptr i64, ptr addrspace(3) %addr, i32 4
  %val = call <2 x i32> @llvm.amdgcn.ds.read.tr4.b64.v2i32.p3(ptr addrspace(3) %gep)
  store <2 x i32> %val, ptr addrspace(1) %use
  ret void
}
;.
; Check Function Attribute on decl
; OPT: declare <2 x i32> @llvm.amdgcn.ds.read.tr4.b64.v2i32(ptr addrspace(3) captures(none)) #[[ATTR0:[0-9]+]]
declare <2 x i32> @llvm.amdgcn.ds.read.tr4.b64.v2i32(ptr addrspace(3))
; OPT: attributes #[[ATTR0]] = { convergent nocallback nofree nounwind willreturn memory(argmem: read) }
; OPT: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) }
;.
; OPT: [[META0]] = !{[[META1:![0-9]+]]}
; OPT: [[META1]] = distinct !{[[META1]], [[META2:![0-9]+]], !"callee: %addr"}
; OPT: [[META2]] = distinct !{[[META2]], !"callee"}
; OPT: [[META3]] = !{[[META4:![0-9]+]]}
; OPT: [[META4]] = distinct !{[[META4]], [[META2]], !"callee: %use"}
;.